{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896327,-0.443394,0.000000,0.000000,0.283755,-0.573615,0.768407,0.000000,-0.339767,0.686844,0.642498,0.000000,-2170084.144213,4386850.917374,4076141.455538,1],    "boundingVolume": {    "region": [2.030112,0.697694,2.030245,0.697813,0.000000,47.558802]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_539983.b3dm"}}}